Pith Number

pith:2ZXSDI4A

pith:2014:2ZXSDI4AM4ANXAWFLY4QMAR3MX

not attested not anchored not stored refs pending

Dynamical Models of Elliptical Galaxies -- I. Simple Methods

A. Agnello, A. J. Romanowsky, N. W. Evans

arxiv:1401.4462 v2 · 2014-01-17 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZXSDI4AM4ANXAWFLY4QMAR3MX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:45:19.528040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d66f21a3806700db82c55e3906023b65d167b5bc36e47bdb7f7a4ed80b3b4a09

Aliases

arxiv: 1401.4462 · arxiv_version: 1401.4462v2 · doi: 10.48550/arxiv.1401.4462 · pith_short_12: 2ZXSDI4AM4AN · pith_short_16: 2ZXSDI4AM4ANXAWF · pith_short_8: 2ZXSDI4A

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2ZXSDI4AM4ANXAWFLY4QMAR3MX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d66f21a3806700db82c55e3906023b65d167b5bc36e47bdb7f7a4ed80b3b4a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0ab08264093f55eecee1f4c044677a81a28ebb4a9c182b5aea3663146f5f781",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-17T21:00:13Z",
    "title_canon_sha256": "cf50812138ec45fbb911de9459defdacb644254730424c7efa4c1c7dac49e274"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4462",
    "kind": "arxiv",
    "version": 2
  }
}